Acid Yellow 49
- CAS NO.：12239-15-5
- Empirical Formula: C16H13Cl2N5O3S
- Molecular Weight: 426.28
- MDL number: MFCD00071836
- EINECS: 235-473-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-05-04 15:13:23
What is Acid Yellow 49?
Preparation
4-Amino-2,5-dichlorobenzenesulfonic acid diazo, and 3-Methyl-1-phenyl-1H-pyrazol-5-amine?coupling.
Flammability and Explosibility
Not classified
Properties and Applications
brilliant yellow. This applies to goods wool, silk, polyamide fiber and wool blended fabric dyeing, good levelness and also can be used for leather color.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 5-6 | 2-3 | 3 | 3 | 3 | 3-4 | 3 | 2-3 |
Properties of Acid Yellow 49
| Boiling point: | 613.74℃[at 101 325 Pa] |
| Density | 1.62[at 20℃] |
| vapor pressure | 0Pa at 25℃ |
| pka | -2.18±0.50(Predicted) |
| Water Solubility | 273.4μg/L at 25℃ |
| CAS DataBase Reference | 12239-15-5 |
| EPA Substance Registry System | C.I. Acid Yellow 49 (12239-15-5) |
Safety information for Acid Yellow 49
Computed Descriptors for Acid Yellow 49
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